Fresenius Medical Care 2008k Technical Manual page 67

Select the Volume data button.
Set the Volume value to the measured volume, then press the [CONFIRM] key.
8. Press the [CONFIRM] key again and the screen will change.
9. Refill the buret exactly to the full (0ml) mark.
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Caution: Be sure the buret did not run out of fluid and allow air to be
pulled into the machine.
10. If needed, prime the line by pressing the [Prime] key. The acid pump will
begin to stroke. Allow the pump to stroke about 20 times or more to remove
the air from the line then press the [Prime] key again to stop the pump.
11. Select the Target data button.
Set the Target value to 30 strokes, then press the [CONFIRM] key.
12. Refill the buret exactly to the full (0ml) mark.
Press the [CONFIRM] key again. The bicarbonate pump will stroke and
the screen will change.
13. Wait until the Target value reaches zero.
14. When the Target value reaches zero, the bicarbonate pump stops stroking.
Select the Volume data button.
Set the Volume value to the measured volume, then press the [CONFIRM] key.
15. Press the [CONFIRM] key again to save the data. The screen will change.
Press the [CONFIRM] key one more time to complete the calibration and
return to the Calibrate Hydraulics screen.
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Fresenius 2008K Calibration Procedures
P/N 507296 Rev. A